A Hunch Confirmed

[poliphilo]

On the 6th of this month I posted a couple of pictures that seemed to relate to my father's wartime work with a RN bomb disposal unit. They show a bunch of sailors standing round a large hole in what I assume to be Romney Marsh (because that's where I know he was stationed) and the very big bomb that  came out of it.  Today I unearthed this...

It clearly belongs in the same sequence- and that's definitely my father in the centre in the naval officer's cap.

Here's what's stamped on the back...